Chippewaella
Encyclopedia
Chippewaella is a genus of very primitive snail-like mollusc from the Late Cambrian. According to Wagner
(1999) it is the most basal
gastropod.
Peter J. Wagner
Peter J. Wagner is a paleontologist and curator at the Smithsonian Institution. He received his Ph.D. in Geophysical Sciences from The University of Chicago in 1995, conducted postdoctoral research at the Smithsonian Institution, and served as a curator at the Field Museum of Natural History from...
(1999) it is the most basal
Basal (phylogenetics)
In phylogenetics, a basal clade is the earliest clade to branch in a larger clade; it appears at the base of a cladogram.A basal group forms an outgroup to the rest of the clade, such as in the following example:...
gastropod.